PV 2208 User Manual
39
IRQ n Assigned to
When resources are controlled manually, assign each system interrupt as one of the
following types, depending on the type of device using the interrupt:
Legacy ISA Devices compliant with the original PC AT bus specification, requiring a
specific interrupt (such as IRQ4 for serial port 1).
The Choice: Enabled, Disabled
DMA n Assigned to
When resources are controlled manually, assign each system DMA channel as one of
the following types, depending on the type of device using the interrupt:
Legacy ISA Devices compliant with the original PC AT bus specification, requiring a
specific DMA channel PCI/ISA PnP Devices compliant with the Plug and Play
standard, whether designed for PCI or ISA bus architecture.
PCI Delay Transaction
The chipset has an embedded 32-bit posted write buffer to support delay transaction
cycles. Select Enabled to support compliance with PCI specification version 2.1.
The Choice: Enabled, Disabled
Assign IRQ For USB/VGA/ACPI
Name the IRQ line assigned to the USB/VGA/ACPI (if any) on your system. Activity
of the selected IRQ always awakens the system.
The Choice: Enabled, Disabled
3-8 Defaults Menu
After selecting “Defaults” from the main menu, there will be two options.
LOAD FAIL-SAFE DEFAULTS
This will load the most stable default bios settings. These settings will give you
minimal system performance. This setting is mainly used for troubleshooting errors.
LOAD OPTIMIZED DEFAULTS
This will load the optimal factory default settings.